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INCOME TAXES Part 2 (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
United States [Member] |  |  |  |  |  |  |
Reconciliation of beginning and ending amounts of unrecognized tax benefits [Roll Forward] |  |  |  |  |  |  |
Beginning Balance |  | $ 182 | [1] | $ 142 | [1] | $ 114 |
Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions |  | 22 |  | 44 |  | 29 |
Lapse of statute of limitations |  | (2) |  | (4) |  | (1) |
Ending Balance | [1] | 202 |  | 182 |  | 142 |
Reconciliation of beginning and ending amounts of accrued interest related to unrecognized tax benefits [Roll Forward] |  |  |  |  |  |  |
Unrecognized Tax Benefits, Interest on Income Taxes Accrued |  | 13 |  | 10 |  | 6 | $ 4
Unrecognized Tax Benefits, Interest on Income Taxes Expense |  | 5 |  | 4 |  | 3 |
Interest income, net of tax associated with expiration of statute of limitations |  | $ (2) |  | 0 |  | $ (1) |
Maximum [Member] |  |  |  |  |  |  |
Reconciliation of beginning and ending amounts of accrued interest related to unrecognized tax benefits [Roll Forward] |  |  |  |  |  |  |
Unrecognized Tax Benefits that Would Impact Effective Tax Rate |  |  |  | $ 28 |  |  |
[1] | All of the unrecognized tax benefits would, if recognized, impact the Company's effective tax rate.

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- Definition Amount of unrecognized tax benefits. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 45 -Paragraph 10B -URI http://asc.fasb.org/extlink&oid=116821951&loc=SL37586934-109318 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15A -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=84230637&loc=SL6600010-109319 + Details
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